7368740557 has 2 divisors, whose sum is σ = 7368740558. Its totient is φ = 7368740556.

The previous prime is 7368740497. The next prime is 7368740591. The reversal of 7368740557 is 7550478637.

7368740557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6604162756 + 764577801 = 81266^2 + 27651^2 .

It is a cyclic number.

It is not a de Polignac number, because 7368740557 - 2⁷ = 7368740429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7368740597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3684370278 + 3684370279.

It is an arithmetic number, because the mean of its divisors is an integer number (3684370279).

Almost surely, 2^7368740557 is an apocalyptic number.

It is an amenable number.

7368740557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7368740557 is an equidigital number, since it uses as much as digits as its factorization.

7368740557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The square root of 7368740557 is about 85841.3685643466. The cubic root of 7368740557 is about 1945.9473630456.

It can be divided in two parts, 73687 and 40557, that added together give a square (114244 = 338²).

The spelling of 7368740557 in words is "seven billion, three hundred sixty-eight million, seven hundred forty thousand, five hundred fifty-seven".